browser-harness

A thin, self-editing CDP harness that connects an LLM directly to a real Chrome browser via WebSocket. The agent writes missing helpers at runtime, improving the harness each run — no middleware between the model and the page.

Connects to: Chrome, Browser Use Cloud, Claude Code, Codex · · MIT 15,960★

Use it with an AI agent

Loadbay is an MCP server, so an agent can search the catalog and find this harness:

claude mcp add --transport http loadbay https://loadbay.xyz/api/mcp

• Source: https://github.com/browser-use/browser-harness
• This harness as JSON: /api/harnesses/browser-harness
• Agent setup: /setup.md
• Browse all 700+ harnesses on Loadbay